@unpublished{repository28159,
           title = {2023-08-14-16 - Sertifikat Pembicara},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/28159/},
          author = {Abimubarok, Achmad}
}